Add deps badge to README #20

Job	Run time
Julia 1.0 - ubuntu-latest - x64 - push	1m 12s
Julia 1.0 - ubuntu-latest - x86 - push	1m 10s
Julia 1.0 - macOS-latest - x64 - push	3m 7s
Julia 1.0 - windows-latest - x64 - push	6m 35s
Julia 1.0 - windows-latest - x86 - push	5m 31s
Julia 1 - ubuntu-latest - x64 - push	42s
Julia 1 - ubuntu-latest - x86 - push	50s
Julia 1 - macOS-latest - x64 - push	1m 24s
Julia 1 - windows-latest - x64 - push	1m 29s
Julia 1 - windows-latest - x86 - push	1m 48s
Julia nightly - ubuntu-latest - x64 - push	1m 36s
Julia nightly - ubuntu-latest - x86 - push	1m 59s
Julia nightly - macOS-latest - x64 - push	2m 21s
Julia nightly - windows-latest - x64 - push	2m 28s
Julia nightly - windows-latest - x86 - push	2m 23s
	34m 35s

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